Data-backed planning intelligence · 3,200,000+ decisions analysed across England, Scotland, Wales and Northern Ireland

Rear Extension approval rate in Sutton

Sutton approved 80.0% of rear extension applications, based on 7,190 decisions analysed.

Last updated: June 2026

80.0%
rear extension approval rate
7,190
Rear Extension decisions
5,751
Approved
1,439
Refused
84.2%
Sutton overall

Rear Extension applications are refused more often than the Sutton average (84.2%), suggesting the council scrutinises these projects more closely.

How rear extension compares in Sutton

Rear Extension (7,190 decided)
80.0%
Sutton all applications (18,303 decided)
84.2%

Planning a rear extension in Sutton?

80.0% get approved, but the odds vary by street. Your Full Planning Analysis shows exactly what gets approved and refused near your property.

✓ Your ward's rear extension approval rate
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Other project types in Sutton

Garage / Parking (4,117 decided)
82.9%
Dormer (3,128 decided)
83.0%
Side Extension (3,038 decided)
79.2%
Extension (General) (2,202 decided)
89.1%
Wraparound Extension (1,079 decided)
79.4%
New Build (1,059 decided)
78.1%
82.0%
Front Extension (939 decided)
77.6%
Flat Conversion (916 decided)
91.6%
Outbuilding (846 decided)
81.9%
82.6%
Conservatory (416 decided)
84.4%
Basement (234 decided)
84.6%
HMO (185 decided)
75.7%
Annex (154 decided)
73.4%
Loft Conversion (148 decided)
79.1%
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